444444100 has 36 divisors (see below), whose sum is σ = 987975828. Its totient is φ = 173440000.

The previous prime is 444444097. The next prime is 444444101. The reversal of 444444100 is 1444444.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 73034116 + 371409984 = 8546^2 + 19272^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (444444101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50101 + ... + 58300.

It is an arithmetic number, because the mean of its divisors is an integer number (27443773).

Almost surely, 2^444444100 is an apocalyptic number.

It is an amenable number.

444444100 is an abundant number, since it is smaller than the sum of its proper divisors (543531728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

444444100 is a wasteful number, since it uses less digits than its factorization.

444444100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108456 (or 108449 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

The square root of 444444100 is about 21081.8428985703. The cubic root of 444444100 is about 763.1426312236.

Adding to 444444100 its reverse (1444444), we get a palindrome (445888544).

The spelling of 444444100 in words is "four hundred forty-four million, four hundred forty-four thousand, one hundred".